+**Battery Life** refers to the duration a [Battery](/wiki/battery) can power a device before needing a recharge. It is primarily determined by the [Battery Capacity](/wiki/battery_capacity) and the device's [Power Consumption](/wiki/power_consumption), defining a portable device's functional independence.
+## See also
+- [Battery](/wiki/battery)
+- [Charging](/wiki/charging)
+- [Energy Efficiency](/wiki/energy_efficiency)
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